/*
 * Copyright (c) 2016—2017 Andrei Tomashpolskiy and individual contributors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package bt.net;

import bt.net.pipeline.ChannelHandlerContext;

import java.nio.channels.SelectableChannel;

/**
 * @since 1.6
 */
public interface DataReceiver {

    /**
     * Register a channel.
     *
     * @param channel Channel to be registered
     * @param context Context with callbacks for registration/selection/interest change events.
     * @since 1.6
     */
    void registerChannel(SelectableChannel channel, ChannelHandlerContext context);

    /**
     * @since 1.6
     */
    void unregisterChannel(SelectableChannel channel);

    /**
     * Activate selection for the provided channel.
     *
     * @since 1.6
     */
    void activateChannel(SelectableChannel channel);

    /**
     * De-activate selection for the provided channel.
     *
     * @since 1.6
     */
    void deactivateChannel(SelectableChannel channel);
}
